4
Technical data
4.1
Duo Tandem
Electrical data
4152-54
4252-54
Rated voltage
V
400
400
Mains frequency
Hz
50
60
50
60
Nominal current at 8 bar (0.8 MPa)
A
3.1
2.5
6.2
5.0
Type of protection
IP 21
IP 21
Mains fuses *
A
10
10
*
Circuit breaker fuse characteristics B, C or D in acc. with EN 60898-1
General technical data
Pressure tank volume
l
50
50
Suction power, approx.
l/min
210
255
420
505
Delivery at 5 bar (0.5 MPa)*
l/min
125
145
253
292
Pressure build-up phase 0 - 7.5 bar (0 -
0.75 MPa) c.
s
190
170
95
85
Duty cycle
%
100
100
Start-up pressure
bar (MPa)
5.5 (0.55)
5.5 (0.55)
Cut-off pressure
bar (MPa)
7.5 (0.75)
7.5 (0.75)
Cut-off pressure, max. adjustable
bar (MPa)
9.0 (0.9)
9.0 (0.9)
Safety valve, maximum permissible oper-
ating pressure
bar (MPa)
10 (1)
10 (1)
Pressure dew point at 7 bar (0.7 MPa)**
°C
£
+5
£
+5
Dimensions (H x W x D) ***
cm
76 x 75 x 52
76 x 79 x 52
Weight
kg
70
100
Noise level ****
without sound insulation
with sound insulation
dB(A)
dB(A)
66
51
68
50
69
51
72
53
*
Delivery without membrane drying unit, at +20°C and 1013 mbar (0.1 MPa)
**
Value determined at an ambient temperature of +40 °C
***
Values without accessories and add-on parts
****
Noise level in accordance with ISO 3744
Filter mesh size
Air intake filter
µm
3
Fine filter
µm
3
Virus bacteria filter
µm
0.01
Sinter filter
µm
35
Coalescence filter
µm
0.01
Product description
8
4252100034L02 2105V002
EN
